CVE-2026-32810Public exploit

Local credential disclosure via umask-dependent config creation

Published Mar 20, 2026 · Updated Mar 20, 2026

Information disclosure in Squidowl Halloy 2026.4 and earlier allows local users to read plaintext IRC credentials from configuration files. Halloy creates config.toml and its configuration directories without explicit modes, so a typical 0022 umask produces files and directories readable or traversable by other users. Exploitation requires another account on the same Unix-like or macOS host and exposes server, NickServ, or SASL credentials stored on disk.

CVSS severity4.8
Medium
EPSS probability0.18%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Information disclosure in Squidowl Halloy 2026.4 and earlier allows local users to read plaintext IRC credentials from configuration files. Halloy creates config.toml and its configuration directories without explicit modes, so a typical 0022 umask produces files and directories readable or traversable by other users. Exploitation requires another account on the same Unix-like or macOS host and exposes server, NickServ, or SASL credentials stored on disk.

The record

CVE
CVE-2026-32810
Published
Mar 20, 2026
Updated
Mar 20, 2026
Vendor
Squidowl
Product
Halloy
Classifications
CWE-732, T1552.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 20, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=<= 2026.4

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

Squidowl · Halloyversion=<= 2026.4

Published CVSS scores

4.8GitHub, Inc.CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
5.5NIST NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1552.001Unsecured Credentials: Credentials In Files

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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